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Old 08-08-2014, 11:52 AM   #1
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Aluminum Radiators from GTOG8TA.com $349!

Now in stock at gtog8ta.com are our brand new 100% tig welded aluminum radiators for the 04-06 GTOs.

We used the OE style fittings so that MT and AT cars can both use the same ones.

These things are truly beautiful and a big upgrade over the stock rad...plus you don't have to spend $700!


***We are giving away additional discounts to an 04 and a 05-06 owner who can install these in their car, take videos/pictures, and give some honest feedback on fitment, performance, etc.

http://gtog8ta.com/04-06-gto/04-gto-...ance-radiator/

http://gtog8ta.com/04-06-gto/05-06-g...ance-radiator/
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Old 08-16-2014, 02:30 PM   #2
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Very nice. I would like to hear more about them.
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Old 08-18-2014, 09:21 AM   #3
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-100% TIG welded
-All Aluminum
-16 fins per inch
-Corrugated fins that give more surface area and more thermal transfer
-pressure tested
-For auto and standard trans (auto-trans-cooler)
-Direct fitment
-Lighter

We are getting some test results for cooling temps now.
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Old 08-18-2014, 09:39 AM   #4
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I have captured most of the temps for comparison. yesterday
was in bumper to bumper traffic due to an accident on ih35.
temp was 107 and the car got up to 220-ish degrees with 145
degree intake temp ( fast acting / svede ), with a/c on.

plan on doing the swap this week and making some city driving
to see what the changes are.

radiator and mishimoto hoses will both be swapped.
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Old 08-18-2014, 01:48 PM   #5
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also putting an electric water pump on as well.
running an underdrive pulley slows down the
water pump. duh lol
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Old 08-19-2014, 12:18 PM   #6
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Sounds good.. Looks like we got our baseline
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Old 08-20-2014, 08:18 AM   #7
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scratching the electric water pump for the time being. we want to
see what changes are made with rad change only
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Old 08-20-2014, 09:44 AM   #8
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It's hitting the stock rad or our rad?
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Old 08-20-2014, 12:27 PM   #9
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wut..? maybe you misunderstood.. I have an electric water pump
ready to install that I've had for quite a while. I was going to install
the radiator, mishimoto hoses, and the water pump all at once. I've
since changed my mind, and am holding off on putting the electric
pump on - thought process is to see how much change the radiator
alone makes with the temps. I then may, or may not install the
electric water pump
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Old 08-21-2014, 11:00 AM   #10
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Gotcha, yea I did.

Keep me in the loop!
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Old 08-25-2014, 01:14 PM   #11
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well, bare with me.. working through some issues. I think
the alum rad gets a bit more heatsoaked than the factory
plastic unit. reason being is that the only time I had any
upper temp issues was extended amounts of time in slow
traffic. once we switched to the alum rad, it never would
go below 205 - 210. I think two issues were causing it:

1. alum rad gets heatsoaked
2. underdrive pulley has the water pump circulationg at a lower speed

...so... no improvement by just swapping rads out. actually a bit on
the worse side. we went ahead and put in my meziere elec water
pump, and now it wont go over 202 even sitting still with the ac on full
snow balls, sitting in traffic, with 102 degree outside temp.

in any case, still driving it around and seeing if the temps change anymore.
I'm getting the pics together for the install write up, and will post em here
once I'm done....
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Old 08-25-2014, 09:59 PM   #12
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Looking forward to the write up.
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Old 08-26-2014, 12:04 PM   #13
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Keep me posted!

We just put one in our 05 and fitment was perfect with a Vararam. Haven't really done much cooling testing yet. We just did it yesterday
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Old 08-26-2014, 12:27 PM   #14
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it definitely fits the svede better than factory. I did put some smaller
bump stops over the nipples at the bottom.

the only main issue I had on the install was the tabs that the ac condenser
sits in are way to closed off. you really nee to open those up quite a
bit to get the ears to fit snug. maybe put bigger tabs on there for the
next round of production. if you bend those too much they'll break right
off.
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Old 08-28-2014, 01:50 PM   #15
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Quote:
Originally Posted by elephantrider View Post
it definitely fits the svede better than factory. I did put some smaller
bump stops over the nipples at the bottom.

the only main issue I had on the install was the tabs that the ac condenser
sits in are way to closed off. you really nee to open those up quite a
bit to get the ears to fit snug. maybe put bigger tabs on there for the
next round of production. if you bend those too much they'll break right
off.
So install-wise, not terrible. Hows the temperature? Is it cooling down at all?
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Old 08-29-2014, 07:47 AM   #16
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yes for sure, cooling better, and with the electric water
pump, its stays 202 - 206 during 100+ in slow traffic. in the
mornings it doesn't get over 186. on the hwy it runs 192, so the
air flow over the rad cools it pretty quickly. I did get a 160 t stat
to replace the 185 that comes in the meziere - will change that
out over the wknd and get some temp readings.
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Old 09-02-2014, 11:03 AM   #17
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Quote:
Originally Posted by elephantrider View Post
yes for sure, cooling better, and with the electric water
pump, its stays 202 - 206 during 100+ in slow traffic. in the
mornings it doesn't get over 186. on the hwy it runs 192, so the
air flow over the rad cools it pretty quickly. I did get a 160 t stat
to replace the 185 that comes in the meziere - will change that
out over the wknd and get some temp readings.
Sounds good. Sounds like it's coming together. Email me all the data and an official write up and I'll get you your credit.
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Old 09-09-2014, 11:43 AM   #18
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Any updates on your writeup Jason?
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Old 09-09-2014, 12:17 PM   #19
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yup, will finish it up this evening. apologies for the delay.
had goatfest last weekend, where i did show it off ,
and playing catch up yesterday from missing Friday...
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Old 09-09-2014, 02:05 PM   #20
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No problem. Just checking in...

And I like the showing off part!
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Old 09-10-2014, 08:11 AM   #21
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okay, here we go... so I know I'm REALLY late on this, but been busy with
various things, and throw in a few personal struggles, made for a interesting
time in the last few weeks.... anyway....

talked to eric a few weeks back about these radiators that they had come out
with. I was seeing some fairly high temps on my car during bump to bump
traffic around Austin area, when temps were 100+, and I had the a/c running.

mods to the gto -

ms3 cam v3 - 237/242, .603/.609, 112 lsa
full valvetrain upgrade:
prc .650" dual springs, prc titanium retainers, hardened rods
trunion upgraded rockers
cam matched 241 heads
kooks long tubes and hfc
in motion single roller timing chain
tsp ls6 ported oil pump
42lbs sticks
svede intake

eric had a tester special for these, so thought I would give it a shot and
see what differences the alum unit made against the factory rad.

got the radiator delivered very timely, and packaging was fantastic. no
fin damage, or box cuts, etc...pics of the two for compare sake below...

welds are VERY nice, and high quality -

















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Old 09-10-2014, 08:12 AM   #22
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the work space -





old radiator -



out -



did mishimoto hoses - lower ones installed -



new rad in - fitment was spot on, no issues, nothing to fiddle with -



got all the hoses back on and buttoned up -







ZERO fitment issues with the svede. we did NOT grind down the stands on the
bottom of the rad - I wanted to see if there would be any hood rub, and there
was not.



temps prior to the install of the alum unit would get up to 235 in stop and go
traffic with the ac on. temps do not get over 212 MAX now with the new rad.
I really ran it through its paces with various traffic situations, temp differences
during the daytime, as well as running hwy speeds during the hottest part and
the coolest part of the day. cruising temps are WAY down, to the tune of roughly
180 degrees. never topped 193 degrees during 100+ degree days on the hwy /
interstate driving.

overall very pleased with both fit and finish, as well as the performance of this rad.
very clean design, no issues with fitment, and it does what is claimed.

let me know if anyone has any questions about this. thanks again eric !
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Old 09-10-2014, 08:28 AM   #23
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wanted to add - some of the higher temps I was getting was due
to not getting the system full of coolant on the 1st and 2nd pass.
we ended up putting new coolant in with a pressure filler. pulled
25lbs of vacuum, then sucked the coolant in, which fills it 100%.
should have done that from the beginning.

2nd thing is - as far as fitment - when anyone orders one of these,
be sure to spread out the fan shroud and ac condenser hangers.
they are too tight out of the box for any of the clips to be accepted
in the hangers - if this doesn't make sense let me know, i'll try
to re-explain
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Old 09-10-2014, 09:04 AM   #24
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This is great Jason!

Thanks for this. I'm putting a lot of it on our website as well!

I'll be in touch...
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Old 09-17-2014, 03:29 PM   #25
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LS2s on sale today only for $349!!
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